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Author Topic: Yz 490.  (Read 1701 times)

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Offline ludo

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Yz 490.
« on: August 09, 2013, 08:51:16 am »
Could someone please tell tell me how much oil to put in yz 490 1982 front forks. Thanks Dave.
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Offline tony27

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Re: Yz 490.
« Reply #1 on: August 09, 2013, 09:23:17 am »
Clymer manual says 606cc or 150mm from top with forks compressed & no springs for the 490j, for 490k numbers are 578cc & 170mm
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Offline Viper666

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Re: Yz 490.
« Reply #2 on: August 09, 2013, 03:55:15 pm »
No matter the bike always go with the oil from the top method. (IMO) Personally I would start with 130mm no matter the bike and go from there. Go with the 600ml to start with then use the top down method. Get yourself a couple of big syringes from the chemist, attach a tube with some sort of slip ring to set the depth from the top. Then suck out or add in 10 mm, or even 5mm, at a time till happy. NO AIR & make sure you blead the air regularily. Ring me if you want a better explaination. Perko 0427334186
« Last Edit: August 09, 2013, 03:56:58 pm by Viper666 »
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Simo63

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Re: Yz 490.
« Reply #3 on: August 09, 2013, 04:10:59 pm »
Quote from: Viper666 on August 09, 2013, 03:55:15 pm
Get yourself a couple of big syringes from the chemist, attach a tube with some sort of slip ring to set the depth from the top.

If you have a long enough hose you can just use a peg to set your depth.  Tight Arse Racing Team Engineering living up to our motto .. far from ideal  ;D
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Offline 80-85 husky

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Re: Yz 490.
« Reply #4 on: August 09, 2013, 05:16:05 pm »
Sh*t I always use a ruler!! :o
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